Mercruiser produced several models of sterndrives before the Alpha Gen II was introduced.
These include the common "R" sterndrive, 888 sterndrive, 898 sterndrive, I,MR and Alpha One as well as others.

The Alpha Gen II is an improved design over the Alpha One.
Changes included different case/housing designs,stainless water pump housing design, improved drive lube and
drive lube monitor system, and new style trim cylinders.

Rebuilding or Repairing a sterndrive can be a difficult endeavor, however, we have numerous customers
who successfully complete all kinds of repairs at a great savings.

Most customers start by buying a Service Manual.
Manuals are used on a regular basis even by our most experienced Mercruiser Techs. The manuals show all the procedures and
they have a list of the special tools required to complete the job if required. It's a great idea to have a manual even
if you don't perform the repair yourself because you can get a good idea as to what your tech should be doing.

30-803099T1 Transom Seal Kit (Fits Alpha One Gen II) $210.00

sterndrives.com can help you select the parts you need.
We have years of experience in accurate parts selection and options and we will be able to narrow down your request.
Simply fill out a Parts Request Email below:

Try to be as complete and specific as possible.
Always include your engine and/or sterndrive serial number whenever possible.
We answer most requests withing an hour or less during normal business hours.
Otherwise, we will respond first thing the next morning.